Mitsubishi Electric · PUZ-HA30/36NHA4 Outdoor Unit
An error related to the Automatic Current Tracking Module (ACTM) has occurred. This module is essential for accurate current sensing and control, and an error can impact compressor operation and protection, often associated with the power board.
Click steps to track your progress.
Check the CNAF wiring connections for proper seating and continuity.
Inspect the ACTM module on the power board for any visible damage.
Inspect the power circuit board (P.B) for any visible defects or component failure.